C111123313121111121111331333133313331333133313331333133313331311211211322321   >>    C11112331312111112111133133313331333133313331333133313331333131121121132232   <<    C111123313121111121111331333133313331333133313331333133313331311211211322323   >>      C111123313121111121111331333133313331333133313331333133313331311211211322322   >>